[Bug 235708] panic: vnode_pager_generic_getpages: sector size 8192 too large

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=235708

            Bug ID: 235708
           Summary: panic: vnode_pager_generic_getpages: sector size 8192
                    too large
           Product: Base System
           Version: CURRENT
          Hardware: Any
                OS: Any
            Status: New
          Keywords: panic, stress2
          Severity: Affects Only Me
          Priority: ---
         Component: kern
          Assignee: bugs at FreeBSD.org
          Reporter: pho at FreeBSD.org

Stress test with "sendfile(2) && block size > page size":

panic: vnode_pager_generic_getpages: sector size 8192 too large
cpuid = 8
time = 1550044270
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe00b6976050
vpanic() at vpanic+0x1b4/frame 0xfffffe00b69760b0
panic() at panic+0x43/frame 0xfffffe00b6976110
vnode_pager_generic_getpages() at vnode_pager_generic_getpages+0xf58/frame
0xfffffe00b6976240
vnode_pager_local_getpages_async() at
vnode_pager_local_getpages_async+0x4e/frame 0xfffffe00b6976260
VOP_GETPAGES_ASYNC_APV() at VOP_GETPAGES_ASYNC_APV+0x1f5/frame
0xfffffe00b69762d0
VOP_GETPAGES_ASYNC() at VOP_GETPAGES_ASYNC+0x79/frame 0xfffffe00b6976360
vnode_pager_getpages_async() at vnode_pager_getpages_async+0x78/frame
0xfffffe00b69763c0
sendfile_swapin() at sendfile_swapin+0x594/frame 0xfffffe00b69764d0
vn_sendfile() at vn_sendfile+0x995/frame 0xfffffe00b6976800
fo_sendfile() at fo_sendfile+0x8e/frame 0xfffffe00b69768a0
sendfile() at sendfile+0x1f2/frame 0xfffffe00b6976960
sys_sendfile() at sys_sendfile+0x24/frame 0xfffffe00b6976990
amd64_syscall() at amd64_syscall+0x291/frame 0xfffffe00b6976ab0

https://people.freebsd.org/~pho/stress/log/sendfile11.txt

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